Why does youtube etc use <object> and not <iframe>?
What are the advantages of object over iframe for this case?
Why does youtube etc use <object> and not <iframe>?
What are the advantages of object over iframe for this case?
iframes are for embedding other HTML pages within a page.
objects are for embedding non-HTML content objects (like Flash) within a page.
Since YouTube is using Flash to play videos, it uses object.